9. Fault finding
Table 24 Fault finding
Condition
Pump does not start up on page 112
Pump gets too hot on page
112
Motor power consumption is too high on page 113
Pump is too loud on page 114
Pump is losing lubricant on page 114
Oil gets too dark on page 114
Lubricant in the pump chamber on page 115
Pump does not attain its pumping speed on page 115
Fault Pump does not start up
Cause Motor incorrectly connected.
Remedy Connect motor correctly.
Cause Overtemperature switch or motor stator defective.
Remedy Contact us.
Cause Motor rotor defective.
Remedy Contact us.
Cause Pump has seized
- defective rotors, bearings or toothed gears
- pump restarted when it is still hot.
Remedy Wait for 60 minutes and restart the pump again. If the pump does not start,
contact us.
Fault Pump gets too hot
Cause Cooling water supply is not sufficient.
Remedy Make sure that the cooling water supply is sufficient.
Cause Cooling water lines are clogged.
Remedy Decalcify cooling water lines.
Cause Ambient temperature is too high or cooling air flow is obstructed.
Remedy Install the pump at a suitable place or ensure a sufficient flow of cooling air.
Cause Pump is operating in the wrong pressure range.
Remedy Check the pressure levels within the system.
Fault finding
07/2021 - ©Atlas CopcoPage 1121950840208_A
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